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Unpatented? Not quite. Savery's patent (which Newcomen licensed because it would last longer than any he could have gotten himself) had long since expired, and
by stan_rogers 11y ago
Unpatented? Not quite. Savery's patent (which Newcomen licensed because it would last longer than any he could have gotten himself) had long since expired, and Boulton and Watt had to work around Pickard's patent on the crank (!) using planetary gears.
- eru 11y agoYeah, the planetary gears they came up with were pretty crazy. Everyone switched to the crank, once the patent ran out.